/* Copyright 2018-2023 The TensorFlow Authors. All Rights Reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
=======================================================================*/

// This class has been generated, DO NOT EDIT!

package org.tensorflow.op.train;

import java.util.Arrays;
import org.tensorflow.GraphOperation;
import org.tensorflow.Operand;
import org.tensorflow.Operation;
import org.tensorflow.OperationBuilder;
import org.tensorflow.Output;
import org.tensorflow.op.RawOp;
import org.tensorflow.op.RawOpInputs;
import org.tensorflow.op.Scope;
import org.tensorflow.op.annotation.Endpoint;
import org.tensorflow.op.annotation.OpInputsMetadata;
import org.tensorflow.op.annotation.OpMetadata;
import org.tensorflow.op.annotation.Operator;
import org.tensorflow.proto.DataType;
import org.tensorflow.types.family.TType;

/**
 * Update '*var' according to the AddSign update.
 * m_t &lt;- beta1 * m_{t-1} + (1 - beta1) * g
 * update &lt;- (alpha + sign_decay * sign(g) *sign(m)) * g
 * variable &lt;- variable - lr_t * update
 *
 * @param <T> data type for {@code out} output
 */
@OpMetadata(
    opType = ApplyAddSign.OP_NAME,
    inputsClass = ApplyAddSign.Inputs.class
)
@Operator(
    group = "train"
)
public final class ApplyAddSign<T extends TType> extends RawOp implements Operand<T> {
  /**
   * The name of this op, as known by TensorFlow core engine
   */
  public static final String OP_NAME = "ApplyAddSign";

  private Output<T> out;

  public ApplyAddSign(Operation operation) {
    super(operation, OP_NAME);
    int outputIdx = 0;
    out = operation.output(outputIdx++);
  }

  /**
   * Factory method to create a class wrapping a new ApplyAddSign operation.
   *
   * @param scope current scope
   * @param var Should be from a Variable().
   * @param m Should be from a Variable().
   * @param lr Scaling factor. Must be a scalar.
   * @param alpha Must be a scalar.
   * @param signDecay Must be a scalar.
   * @param beta Must be a scalar.
   * @param grad The gradient.
   * @param options carries optional attribute values
   * @param <T> data type for {@code ApplyAddSign} output and operands
   * @return a new instance of ApplyAddSign
   */
  @Endpoint(
      describeByClass = true
  )
  public static <T extends TType> ApplyAddSign<T> create(Scope scope, Operand<T> var, Operand<T> m,
      Operand<T> lr, Operand<T> alpha, Operand<T> signDecay, Operand<T> beta, Operand<T> grad,
      Options... options) {
    OperationBuilder opBuilder = scope.opBuilder(OP_NAME, "ApplyAddSign");
    opBuilder.addInput(var.asOutput());
    opBuilder.addInput(m.asOutput());
    opBuilder.addInput(lr.asOutput());
    opBuilder.addInput(alpha.asOutput());
    opBuilder.addInput(signDecay.asOutput());
    opBuilder.addInput(beta.asOutput());
    opBuilder.addInput(grad.asOutput());
    if (options != null) {
      for (Options opts : options) {
        if (opts.useLocking != null) {
          opBuilder.setAttr("use_locking", opts.useLocking);
        }
      }
    }
    return new ApplyAddSign<>(opBuilder.build());
  }

  /**
   * Sets the useLocking option.
   *
   * @param useLocking If {@code True}, updating of the var and m tensors is
   * protected by a lock; otherwise the behavior is undefined, but may exhibit less
   * contention.
   * @return this Options instance.
   */
  public static Options useLocking(Boolean useLocking) {
    return new Options().useLocking(useLocking);
  }

  /**
   * Gets out.
   * Same as &quot;var&quot;.
   * @return out.
   */
  public Output<T> out() {
    return out;
  }

  @Override
  public Output<T> asOutput() {
    return out;
  }

  /**
   * Optional attributes for {@link org.tensorflow.op.train.ApplyAddSign}
   */
  public static class Options {
    private Boolean useLocking;

    private Options() {
    }

    /**
     * Sets the useLocking option.
     *
     * @param useLocking If {@code True}, updating of the var and m tensors is
     * protected by a lock; otherwise the behavior is undefined, but may exhibit less
     * contention.
     * @return this Options instance.
     */
    public Options useLocking(Boolean useLocking) {
      this.useLocking = useLocking;
      return this;
    }
  }

  @OpInputsMetadata(
      outputsClass = ApplyAddSign.class
  )
  public static class Inputs<T extends TType> extends RawOpInputs<ApplyAddSign<T>> {
    /**
     * Should be from a Variable().
     */
    public final Operand<T> var;

    /**
     * Should be from a Variable().
     */
    public final Operand<T> m;

    /**
     * Scaling factor. Must be a scalar.
     */
    public final Operand<T> lr;

    /**
     * Must be a scalar.
     */
    public final Operand<T> alpha;

    /**
     * Must be a scalar.
     */
    public final Operand<T> signDecay;

    /**
     * Must be a scalar.
     */
    public final Operand<T> beta;

    /**
     * The gradient.
     */
    public final Operand<T> grad;

    /**
     * The T attribute
     */
    public final DataType T;

    /**
     * If {@code True}, updating of the var and m tensors is
     * protected by a lock; otherwise the behavior is undefined, but may exhibit less
     * contention.
     */
    public final boolean useLocking;

    public Inputs(GraphOperation op) {
      super(new ApplyAddSign<>(op), op, Arrays.asList("T", "use_locking"));
      int inputIndex = 0;
      var = (Operand<T>) op.input(inputIndex++);
      m = (Operand<T>) op.input(inputIndex++);
      lr = (Operand<T>) op.input(inputIndex++);
      alpha = (Operand<T>) op.input(inputIndex++);
      signDecay = (Operand<T>) op.input(inputIndex++);
      beta = (Operand<T>) op.input(inputIndex++);
      grad = (Operand<T>) op.input(inputIndex++);
      T = op.attributes().getAttrType("T");
      useLocking = op.attributes().getAttrBool("use_locking");
    }
  }
}
